Nikon Autofocus Speedlight SB-22 Instruction Manual page 80

Flash exposure
control
TTL mode
Usable film speed
range in TTL mode
Usable aperture
range in TTL mode
Automatic mode
Usable apertures in automatic mode
Aperture
f/4 (at ISO 100)
f/8 (at ISO 100)
54
Five flash modes are provided;
TTL, A1, A2, M and MD
Used only with Nikon F-501/
N2020, F-401/N4004, F-301/
N2000, FA, FE2 or FG; for pro­
grammed TTL auto tiash oper­
ation (with F-501/N2020, F-401/
N4004 or F-301/N2000) or TTL
auto flash operation; light is
measured through the lens
ISO 25 to 1000 with Nikon
F-501/N2020 and F-301/N2000
or ISO 25 to 400 with Nikon
F-401/N4004, FA, FE2 and FG
f/2 to f/22 (at ISO 100)
For non-TTL auto flash oper­
ation; light is measured via
light sensor in front of the flash
unit
Shooting distance range
A2: 0.8-6.2m (2.6-20ft.)
A1:0.6-3.1m(2.0~10ft.)